[SCM] Hurd branch, master, updated. v0.9-113-ga7c7e4c

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit a7c7e4c642aa284cb57a855ea94bab90cc2dae3e
Author: Samuel Thibault <address@hidden>
Date:   Sat Jan 6 01:13:02 2018 +0100

    libfshelp/get-identity.c: Avoid spurious ihash removal
    
    Reported by Brent W. Baccala.
    
    While some thread has converted a hardref to a weakref and tries to release
    the hash weakref, another thread might reacquire a hardref, and then convert
    it to a weakref and try to release it. We thus have to make sure that we
    really have the last weakref before removing from the hash.
    
    * libfshelp/get-identity.c (id_clean): Also check that there are only
    two weak refs left.

-----------------------------------------------------------------------

Summary of changes:
 libfshelp/get-identity.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)


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